... 300X600MM,300X1200MM,600X1200MM optional• High CRI up to 80• High lumens up to 4000LM• Both RGB and dimmable available• ... hotel,residentail buildings,school,college etcFeatures:· Energy saved up to 50%. high brightness,even lighting output.· 5-years ... No electrical wave,conforming to CE· Green environmental protection, lead-free material, conforming to ROHS· No RF interference Packing method: Service ...